Answer:
There are three types of Phyla worms named Platyhelminthes, Nematoda, Annelida. We all people are very familiar with earthworms. There is a different type of animals called worms.
But there phyla are different from others and fit into the category of worms. These worms are generally long, thin and almost without legs. All Phyla are in different size, complexity, and have different body structures.
These three types of worms are also called flatworm, roundworm and the segmented worm. These are invertebrate animals with bilateral symmetry.
Answer: d) Severe
Explanation:
Severe intellectual disability is the intellectual disability in which a person's IQ ranges from 20 to 34.The person face an abnormal developmental of central nervous system which slows down and impairs the motor working, communication understanding, logical thinking, memory issue etc. The person requires guidance and someone to observe their working.
According to the question,Mel is facing severe intellectual disability because he requires observation and checking the conditions of his works even though he can give himself self care.
Other options are incorrect because mild intellectual disability, moderate intellectual disability or profound intellectual disability does not cause high damage to central nervous system and impair the motor working of human.
D) He wanted to restrict the supply in order to raise its prices
Conference calls (answer C)